baber/WOPTO huggingface dataset:
Patent GB-1309283-A (GB)
Title: Ergot alkaloid derivatives
IPC: C07D498/14
Filed: 1970-06-05
Abstract: 1309283 Ergot alkaloid derivatives SANDOZ Ltd 5 June 1970 [20 June 1969] 27143/70 Heading C2C Novel compounds of the Formula I wherein R 1  is hydrogen or methyl or acid addition salts thereof are produced by condensation of an amine salt with a functional derivative of an acid in the presence of a basic condensation agent to form the amide group in I or N-methylation of I where R is hydrogen, optionally followed by conversion to an acid addition salt. N-Carbobenzoxy-L-proline on reaction with L-norvaline yields N-carbobenzoxy-L-prolyl-L- norvaline methyl ester which on hydrogenation followed by treatment with benzoic acid yields (35,8aS) - 1,4 - dioxo - 3 - (propyl - 1 - )-octahydropyrrolo[1,2-a]pyrazine which on reaction with d-benzyloxy-2-isopropylmalonic acid chloride monoethyl ester followed by hydrogenation and treatment with base yields (2R,5S,10aS,10bS)- 2 - carboxy - 3,6 - dioxo - 10b - hydroxy - 2 - isopropyl - 5 - (propyl - 1) - octahydro - 8H - oxazolo[3,2-a]pyrrolo[2,1-c]pyrazine which on treatment with phosphorus halide forms the acid halide which may be converted to the acid azide which is not isolated but is subject to a Curtius rearrangement in the presence of benzyl alcohol to yield (2R,5S,10aS,10bS)-2-benzyloxycarbonylamino - 3,6 - dioxo - 10b - hydroxy - 2- isopropyl - 5 - (propyl - 1) - octahydro - 8H - oxazolo[3,2-a]pyrrolo[2,1-c]pyrazine which on hydrogenation yields (2R,5S,10aS,10bS) - 2- amino - 3,6 - dioxo - 10b - hydroxy - 2 - isopropyl- 5 - (propyl - 1) - octahydro - 8H - oxazolo[3,2-a]- pyrrolo[2,1-c]pyrazine. d - Benzyloxy - 2 - isopropyl - malonic acid chloride monoethyl ester may be prepared by reacting 2-benzyloxymalonic acid diethyl ester with diisopropyl sulphate in the presence of sodium ethoxide to yield 2-benzyloxy-2-isopropyl-malonic acid diethyl ester, which may be hydrolysed to the monoethyl ester, separated into isomers to yield the R( +) isomer which is converted to the required product with thionyl chloride. Pharmaceutical compositions of the compound I with a carrier or diluent exert an influence on the secretion of prolactin when administered orally, enterally or parenterally.
Patent GB-841373-A (GB)
Title: Improvements in cathode ray tubes
IPC: H01J29/82
Filed: 1957-08-29
Abstract: 841,373. Cathode ray tubes. RADIO CORPORATION OF AMERICA. Aug. 29, 1957 [Sept. 17, 1956; Dec. 24, 1956], No. 27303/57. Class 39(1). A cathode ray tube comprises a cathode 24, a grid electrode 30 having a centrally apertured plate 32 adjacent thereto, a first accelerating electrode 36 with a centrally apertured plate 38, a second accelerating electrode comprising a tubular member 41 terminating rearwardly in a reduced tubular neck 46 with a completely open end, the interior diameter of the tubular neck 46 being from one to five times the diameter of the aperture 40 in the plate 38, the rearward end of the neck 46 being spaced from the plate 38 by a distance of 40 mils per five kilovolt potential difference between the electrodes 41, 36 and a principal focussing field forming means for the electron beam adjacent the forward end of the tubular member 41. Preferably the reduced tubular neck 46 has a length, free from projecting lips or plates, equal to its diameter. As shown the plate 32 is formed by the bottom portion of a cup-like structure 30 facing rearwardly in which is insulatingly supported the cathode 24, and the plate 38 is formed by the bottom portion of a cup-like structure 36 facing forwardly into which projects the neck portion 46. The principal focusing field forming means comprises a pair of apertured elements 48, 54 positioned at the opposite ends of a third apertured element 50, the elements 48, 54 being insulatingly supported for receiving a high potential with respect to the element 50. The electrodes 30, 36 and 41 are supported from glass rods 60 and the electrodes 43, 50 and 52 are supported from similar rods 58, the electrode 43 being telescoped into tight fitting engagement with the tubular member 41. In another embodiment, the length of the gun is shortened by slotting the electrode 43 through which pass studs 56 joining the member 41 to its supporting rod 60.
Patent GB-1144137-A (GB)
Title: Web overprinting apparatus
Inventor: ROWLEY JACK
IPC: B41F13/04
Filed: 1966-06-18
Abstract: 1,144,137. Web-feed platen press. BERISFORDS Ltd. 7 June, 1967 [18 June, 1966], No. 27308/66. Heading B6C. Apparatus for accurately over-printing webs which already carry definite patterns or repeating indicia comprises delivery rollers one of which is arranged to be driven intermittently under the control of a photo-electric sensing device for the patterns or indicia; and a printing head which operates in synchronism with the drive, printing occurring while the web is at rest. Fig. 1, is a side view wherein a patterned tape 64 is led from a feed reel 56 between delivery rollers 39, 40, across a support 10, under a reciprocating printing head 12 and a photo-electric sensing device 57 to a take-up reel 20. A motor 18 drives the main drive shaft 28 through a gear-box 25; one end of shaft 28 carries an eccentric 53 which causes reciprocation of the printing head 12. A gear-wheel (31) fast to shaft 28 meshes with a complementary gear-wheel (32) (Fig. 4, not shown), drives the take-up drive shaft 34 and hence the take-up reel spindle 16 through a slipping clutch arrangement which serves to keep the tape under tension. Also carried on drive shaft 28 is an eccentric crank 52 connected to a chain 51 passing over a free-wheel sprocket 47 carried on the drive shaft 41 of delivery roller 40; thus rotation of the crank 52 produces back-and-forth rotation of sprocket 47 in synchronism with reciprocation of printing head 12. The photoelectric sensing device 57 controls two electromagnets (46, 54) (Fig. 4, not shown) which are associated with a clutch disc (55) on the sprocket 47 and a brake disc (45) on the drive shaft 41. The sensing device 57 is adjustable for the presence of different indicia or patterns on the tapes.
Patent GB-1356573-A (GB)
Title: Removal of dissolved products from a precipitate
IPC: C01G5/00
Filed: 1970-06-05
Abstract: 1356573 Concentrating and washing photographic silver halide emulsions AGFAGEVAERT 5 May 1971 [5 June 1970] 27325/70 Heading G2C [Also in Division B2] In a method of concentrating a photographic silver halide emulsion containing dissolved salts and made by precipitating silver halide in a colloid, the emulsion is introduced continuously under pressure into a radially cymmetrical chamber provided with at least two discharge outlets so as to maintain a liquid vortex within the chamber, the discharge outlets being situated so that an emulsion more concentrated than the feed continuously discharges through one or more of the outlets and liquid, or an emulsion less concentrated than the feed, continuously discharges through the other outlet or through the remainder of the outlets. The chamber may be formed within a hydrocyclone which is wholly or mainly of conical shape with one or more tangential inlets, an apex discharge outlet for the more concentrated emulsion and a vortex finder outlet for the liquid or less concentrated emulsion. A further discharge opening may be provided peripherally of the chamber medially of its length. Alternatively, the chamber may be cylindrical with an axial discharge opening at its inlet end and a peripheral discharge opening at or near its other end. Wash liquid may be introduced into the hydrocyclone simultaneously with the emulsion to be concentrated through another feed pipe or through the same feed pipe, the pipe in the latter case being internally divided into two compartments by an axial partition. The concentrated emulsion leaving the hydrocyclone may be subjected to further concentration in the same or another hydrocyclone. The method can be used for washing silver halide hydrophylic colloid flocculates obtained by different techniques of precipitation, examples of which are mentioned.
Patent GB-789796-A (GB)
Title: Motor vehicle drive units
IPC: B60K5/00
Filed: 1956-09-07
Abstract: 789,796. Cooling cylinders and crankchambers; mounting engine accessories; driving-gear. PORSCHE, F. Sept. 7, 1956 [Sept. 8, 1955], No. 27423/56. Classes 7(2), 7(3) and 7(4) [Also in Group XXXI] In a motor-vehicle having its engine 7, Fig. 1, longitudinally disposed behind the rear road axle 6, a radial blower 11 for engine-cooling air is located on the opposite side of the engine to its in-line horizontal cylinders 9, Fig. 2. The engine 7 drives the axle 6 via a clutch 8, changespeed gear 5 and differential 4. A blower casing 20 extends over the cylinders 9 and forms with the engine crankcase 16, Fig. 3, having internal oil-cooling fins 19, the blower volute. The double blower impeller 12 is crankshaft-drive by a belt drive 15 over a generator 14. A carburetter 21, exhaust-silencer 23, fuel pump 24, ignition coil 25 and ignition distributer 26 are provided. An engine-access trap 33 is provided in the floor of the lidded boot 31.
Patent GB-644612-A (GB)
Title: Improvements in closures for jars and like containers
IPC: B65D53/02
Filed: 1947-10-14
Abstract: 644,612. Stoppers. JACKSON BROS. (OF KNOTTINGLEY), Ltd., and YORK, J. Oct. 14, 1947, No. 27467. [Class 125(iii)] In a closure for jars and like containers, a projecting portion of a resilient ring 6, which, in its uncompressed state, partially fills a groove 3, 4, 5 adjacent the neck of the container, is compressed by a cap 7 to deform the ring into the space as shown in Fig. 3.
Patent GB-297741-A (GB)
Title: Improvements in and relating to non-metallic gears and blanks therefor
IPC: F16H55/06
Filed: 1928-09-25
Abstract: 297,741. British Thomson-Houston Co., Ltd., (Assignees of Mansur, C. W.). Sept. 26, 1927, [Convention date]. Toothed wheels. - Gear blanks have a body part 3 of compressed spinnable textile fibres, such as cooton batting or sliver, without binder held by axially extending screws 5 between end shrouds 4 moulded under pressure and heat from pieces of woven textile material, such as canvas or duck, coated with a binder such as phenolic condensation product. The teeth are cut both in the body and shrouds. To avoid loss of strength, the pieces used in making the shrouds 4 are as large as can be conveniently moulded to shape, and to avoid noise and brittleness, the quantity of binder used is reduced to the minimum. The body 3 and shrouds 4 are assembled and compressed in a press while the screws 5 are inserted. Specification 19286/09 is referred to.
Patent GB-1471671-A (GB)
Title: Rendering active proteins insoluble
IPC: C12N11/04
Filed: 1974-06-20
Abstract: 1471671 Insolubilized proteins L'AIR LIQUIDE SOC ANON POUR L'ETUDE ET L'EXPLOITATION DES PROCEDESGEORGES CLAUDE and ORSAN LES PRODUITS ORGANIQUES DU SAN TERRE 20 June 1974 [21 June 1973] 27520/74 Heading C3H A process for rendering a protein insoluble in aqueous media, in which the protein is bound to a chemically-activated, water insoluble polymeric support by means of an intermolecular bridging agent comprises halogenating and aminating a polymer containing free hydroxyl groups in an organic solvent by means of a halogenating reagent and a bifunctional aminating reagent to obtain thereby said chemically activated water-insoluble support, and then bringing the resultant support into contact with the protein and adding thereto the intermolecular bridging agent. The halogenating agent may be a thionyl halide, a sulphuryl halide, a phosphorus trihalide, or pentahalide, a phosphorus oxyhalide or a halide or p-toluene sulphoxide. The aminating agent preferably is a compound of formula NH 2 -NH 2 , NH 2 -R 1 -NH 2  or  in which R 1  is alkylene containing at most 20 carbon atoms, optionally substituted by a phenyl radical or by a hydroxyalkyl radical itself containing at most 20 carbon atoms in which R 2  and R 3  may be the same or different are each a lower alkyl radical or a phenyl radical. A novel composition is produced comprising a water-insoluble polymeric support formed of cellulose or a derivative thereof, a polyacrylic acid, a poly-(methyl methacrylic) acid, a polypeptide, or polyvinyl alcohol to which there is bonded a protein by an intermolecular bridging agent which is a dihaloketone.
Patent GB-443829-A (GB)
Title: Improvements in and relating to high pressure steam generators
IPC: F22B1/14
Filed: 1935-10-05
Abstract: 443,829. Direct - contact steam boilers. WITKOWITZER BERGBAU UND EISENHUTTEN GEWERKSCHAFT, and SWIETOCHOWSKI, O., 10, Mõhrisch-Ostrau, Czecho Slovakia. Oct. 5, 1935, No. 27582. Convention date, Oct. 13, 1934. [Class 123 (ii)] Steam is withdrawn for use from the steam circulation circuit of a Loffler boiler after one or more superheaters 3, 4 in the steam circuit, and is passed through a further superheater 6. The circulation pump 2 forces steam first through a radiation superheater 3 and then through a convection superheater 4, between separated sections of which is placed the high velocity flow superheater 6. At starting, the whole of the steam may be passed through the superheater 6 by closing a valve 12 in the usual return pipe 7 and opening a valve 10 in a pipe 9 between the engine supply and the boiler steam pipe 8. A byepass 15 with a valve 16 controls the quantity of steam allowed to flow through the superheater 6 when starting. Saturated steam may be supplied to the superheater 6 through a valve 19 controlled by a thermostat in the engine supply pipe. Steam may be blown off through hand-operated or automatic safety valves 13, 14.
Patent GB-603414-A (GB)
Title: Improved method of mounting drawing or layout boards
IPC: A47B27/02
Filed: 1945-10-22
Abstract: 603,414. Tables. HOLLIS, C. P. Oct. 22, 1945, No. 27668. [Class 52(iii)] A drawing or layout board a is rotatable through 360 degrees about a pivot d on a rectangular frame b adapted to tilt through at least 350 degrees about pivots c fixed to a pedestal e. All the pivots are of the friction type so that the board will remain steady in any position.
Patent GB-691849-A (GB)
Title: Improvements in and relating to cooling systems for electrical apparatus
IPC: H01F27/32
Filed: 1951-11-26
Abstract: 691,849. Transformers. BRITISH THOMSON-HOUSTON CO., Ltd. Nov. 26, 1951 [Nov. 29, 1950], No. 27683/51. Class 38 (ii). In a transformer with a forced flow fluid cooling system, resistances to the flow are provided in the flow paths to control the division of flow between the paths. A transformer comprises a laminated core with yokes 4, 5 and legs 2, 3 round which are the windings 7, 11, 14 mounted on insulated cylinders 6, 9, 12 which may carry collars such as 8, 10 to divert the oil flow through the windings. The oil flow over the several windings from inlet 23 to outlet 24 is controlled by the number and size of the holes 28, 29, 30 in a baffle-plate 21 extending across the transformer casing, and on which the insulating cylinders 6, 9, 12 rest. Oil also passes through a duct 17 in the centre of the core to an extent determined by holes 32, 33, 34 in a wooden lining 26 and hole 37 leading to compartment 25 communicating with the core duct. The values of flow resistance through the various holes may be such as to swamp the resistances to flow through the paths if these are unknown, or to add suitably to these resistances if known.
Patent GB-1274600-A (GB)
Title: Television antenna
IPC: H01Q9/14
Filed: 1970-06-09
Abstract: 1,274,600. Aerials. FEDTRO Inc. 9 June, 1970 [9 Aug., 1969], No. 27743/70. Heading H4A. An aerial 10 comprises a housing 12, an elongated flexible loop 16, and guide means for retaining spaced ends and bends of the loop in the housing. Lobes 32, 34, 36 of the loop project outwardly from the housing 12 and each is retractable thereinto or extendable therefrom, with an associated but opposed movement of other lobes. As described, the loop 16 is composed of two plated spring steel strips of slightly arcuate cross-section, which are connected together by a conductive bolt 86 at a central insulating material knob 82, and whose outer ends 38a, 38b are secured by fasteners 44 to a pair of small diagonal support walls 40, 42 inside the housing which extend from its bottom side wall 24 to its left and front side walls 18, 20, respectively. Each of the ends 38a, 38b is reinforced by a short strip of metal 46 bound thereto by means of a heat-shrunk plastic sleeve 47. The side lobes 32, 36 are formed by taking the loop 16 through slots 48, 50 in the side walls 18, 20 and then through slots 56, 58 in the top side wall 22 of the housing. Guide walls 52, 54 project diagonally downwards from the slots 56, 58 and the loop 16 is taken from them between pairs of rollers 68, 70 and 72, 74 through another pair of slots in the top side wall 22 to form the centre lobe 34, which is terminated at the knob 82. Guide walls 64, 66 are provided for the centre lobe, and they make, together with an intermediate portion of the top side wall 22, an H-shaped configuration. The ends 38a, 38b are connected to a doublepole double-throw switch 90, from which a four-conductor cable 88 may be taken to the UHF and VHF terminals of a TV receiver. By means of the knob 82, either the centre lobe is extended away from the housing whilst the side lobes are retracted therein, or vice versa, according to which band is being received. The housing 12 is rotatably mounted on a base 14, a sprung collar 100 which projects from the bottom side wall 24 being received in an aperture 108 in the centre of the top wall 96 of the said base. For shipment purposes the base 14 may be stowed against the back wall 28 of the housing 12. Slots are provided in the side walls 98 of the base 14 to fit around the portions of the loop 16 where they emerge from the housing 1, and a depression in the back wall 28 receives a retaining wall 110 which surrounds the aperture 108 (Figs. 1, 6, not shown).
Patent GB-500814-A (GB)
Title: Improvements relating to retractable undercarriages
IPC: B64C25/00
Filed: 1937-10-13
Abstract: 500,814. Shock - absorbers. DOWTY, G. H, Oct. 13, 1937, No. 27808. [Class 108 (iii)] [Also in Group XXXIII] In a retractable aircraft undercarriage made wholly or almost wholly of non-magnetic metal, e.g. a light alloy, the cross-sections of the telescoping tubes 2, 3 vary along their length according to stress distributions, the coacting surfaces being cylindrical. A bronze bush 4 on tube 2 protects it from wear; the rubbing surfaces may also be chromiumcovered. The non-magnetic oleo-pneumatic shock-absorber unit 7 contains no spring, and is held between a cup 6 on tube 2 and the end fitting 9.
Patent GB-1307248-A (GB)
Title: Strapping apparatus
IPC: B65B13/22
Filed: 1970-06-09
Abstract: 1307248 Bailing tool SIGNODE CORP 9 June 1970 [9 June 1969] 27899/70 Heading F2G [Also in Division B6] Strap tensioning means in a seal-less strap fastening tool (see Division B6) comprises a feedwheel 36, Fig. 1, keyed to a shaft 38 carrying a gear-wheel 46, Fig. 6, meshing with a gear-wheel 44 which is rotatable by a handle 48 through a pawl 50 when the handle is rotated counterclockwise. On return movement the pawl 50 idles over the gear 44 and tension is maintained by a pawl 54.
Patent GB-1175495-A (GB)
Title: Pipe Joint
Inventor: SCHWELLA RICHARD
IPC: F16L23/028
Filed: 1968-06-12
Abstract: 1,175,495. Pipe joints; metal pipes. INSTITUT FœR FÍRDERTECHNIK LEIPZIG. 12 June, 1968, No. 27929/68. Headings F2G and F2P. A centering ring 5 has a recess for the reception of a collar 4 secured to a pipe 1 and against which bears a flange ring 6 clamped by bolts 7 to a flange 2 secured to a pipe 3. Sealing rings 8 effect fluid-tightness of the joint.
Patent GB-158127-A (GB)
Title: Improvements in and relating to clearers for clearer winding frames
IPC: B65H63/06
Filed: 1919-11-13
Abstract: 158,127. Oldham, S. Nov. 13, 1919. Clearing-apparatus.-To prevent unauthorized widening of the clearer slots of clearing-apparatus, of the kind comprising a fixed and an adjustable sliding plate, and wherein clearance slots are left between the plates, a projection 5 on a plate 4 is inserted in the slot between the plates. The slot may be tapered so that the width of the clearing- slot may be varied by adjusting the position of the plate 4, which is secured by the screw 3 that secures the clearing-plates, or the slot may be parallel, and plates with projections of different widths may be provided. To prevent movement of the plate and after it has been clamped by the screw 3, interengaging, means, such as a pin on the clearer plate and series of holes in the plate 4, may be provided. In place of the plate and projection, bolts of varying diameters may be used. A graduated scale may be provided on the plate 4 or on the clearer plate to indicate the adjustment.
Patent GB-406948-A (GB)
Title: Improvements in or relating to ship's logs, fluid meters and the like
IPC: G01P5/06
Filed: 1933-10-12
Abstract: 406,948. Ships' logs; fluid meters. BRITISH PITOMETER CO., Ltd., and HOWLAND, E. R., Victoria Station House, Victoria Street, London. Oct. 12, 1933, No. 28176. [Class 97 (ii).] In a ship's log or fluid meter a combined inlet and outlet member for supplying liquid to operate a flow meter is adapted to project into the liquid stream through a single aperture, the inlet member having openings facing towards the liquid stream and the outlet member having openings arranged in a face lying parallel to the direction of liquid flow. In Fig. 1, A represents part of a ship's hull, carrying a valve A<1>, tubular coupling member A<2>, and gland A<3>, through which passes the oval sectioned intake member B. The latter has a flat surface B<1> facing the liquid stream and provided with intake openings B<2>, through which liquid passes to the annular passage B<3> and from thence through pipe F and flow meter G to the outlet pipe C<1> which passes down the centre of the passage B<3> and terminates in outlet openings C<2>. The latter are provided in the side walls and base, i.e. the parts lying in planes parallel to the liquid stream, of a flat plate-like member C, secured to the bottom of the member B. When used as a fluid meter the member B is mounted to project through the wall of the fluid conduit.